| pathogenic and free-living protozoa cultured from the nasopharyngeal and oral regions of dental patients: ii. | protozoa of the nose, mouth, and pharynx of 30 randomly chosen male caries patients at an odontological clinic of the national autonomous university of mexico, in mexico city, were surveyed by culture from swabs. culture tubes from swabs were observed every other day for 5 weeks. pathogens found included entamoeba histolytica, naegleria fowleri, acanthamoeba castellanii, a. culbertsoni, a. polyphaga, and giardia lamblia. such isolations of pathogens suggest that patients may be healthy carriers ... | 1986 | 3956463 |
| acanthamoeba genotypes t3 and t4 as causative agents of amoebic keratitis in mexico. | free-living amoebae (fla) are widely distributed worldwide. some genera included in this group act as opportunistic pathogens causing fatal encephalitis and acanthamoeba keratitis (ak), a sight-threatening infection of the cornea associated with the use of soft contact lenses that could even end in blindness if an early diagnosis and treatment are not achieved. furthermore, the numbers of ak cases keep rising worldwide mainly due to an increase of contact lens wearers and lack of hygiene in the ... | 2016 | 26581373 |
| a survey of pathogenic and free-living amoebae inhabiting swimming pool water in mexico city. | a survey of pathogenic and free-living amoebae in swimming pool waters of mexico city was performed. among the organisms isolated those which have public health importance were naegleria fowleri carter and acanthamoeba castellanii douglas. amoebae of the genera acanthamoeba, naegleria, and vahlkampfia were recovered in their cystic stage while those specimens of the genera amoeba, entamoeba, thecamoeba, and vanella were recovered only in their trophic stage during this study. amoebae were concen ... | 1983 | 6617613 |